2009
Q51
NEET
MCQ
10 Mar 2026
Benzene reacts with CH3Cl in the presence of anhydrons AlCl3 to form
A.
chlorobenzene
B.
benzyl chloride
C.
xylene
D.
toluene.
2008
Q52
NEET
MCQ
10 Mar 2026

A (predominantly) is
A.
B.
C.
D.
2008
Q53
NEET
MCQ
10 Mar 2026
In the hydrocarbon,

The state of hybridization of carbons 1, 3 and 5 are in the following sequence

The state of hybridization of carbons 1, 3 and 5 are in the following sequence
A.
sp, sp2, sp3
B.
sp3, sp2, sp
C.
sp2, sp, sp3
D.
sp, sp3, sp2
2007
Q54
NEET
MCQ
10 Mar 2026
Which of the compound with molecular formula C5H10 yields acetone on ozonolysis?
A.
3-Methyl- 1 -butene
B.
Cyclopentane
C.
2-Methyl-1-butene
D.
2-Methyl-2-butene
2007
Q55
NEET
MCQ
10 Mar 2026
Predict the product C obtained in the following reaction of 1-butyne.


A.
B.
C.
D.
2005
Q56
NEET
MCQ
10 Mar 2026
Products of the following reaction :


A.
CH3COOH + CO2
B.
CH3COOH + HOOC.CH2CH3
C.
CH3CHO + CH3CH2CHO
D.
CH3COOH + CH3COCH3
2005
Q57
NEET
MCQ
10 Mar 2026
Which one of the following alkenes will react faster with H2 under catalytic hydrogenation conditions ?
A.
B.
C.
D.
2004
Q58
NEET
MCQ
10 Mar 2026
Reaction of HBr with propene in the presence of peroxide gives
A.
isopropyl bromide
B.
3-bromopropane
C.
allyl bromide
D.
n-propyl bromide
2004
Q59
NEET
MCQ
10 Mar 2026
Using anhydrous AlCl3 as catalyst, which one of the following reactions produces ethylbenzene (PhEt)?
A.
H3C $-$ CH2OH + C6H6
B.
CH3 $-$ CH $=$ CH2 + C6H6
C.
H2C $=$ CH2 + C6H6
D.
H3C $-$ CH3 + C6H6
2003
Q60
NEET
MCQ
10 Mar 2026
Which one of the following is a free-radical substitution reaction ?
A.


B.


C.


D.


2003
Q61
NEET
MCQ
10 Mar 2026
The correct order of reactivity towards the electrophilic substitution of the compounds aniline (I), benzene (II) and nitrobenzene (III) is
A.
III > II > I
B.
II > III > I
C.
I < II > III
D.
I > II > III
2003
Q62
NEET
MCQ
10 Mar 2026
The compound
on reaction with NaIO4 in the presence of KMnO4 gives
on reaction with NaIO4 in the presence of KMnO4 gives
A.
CH3COCH3
B.
CH3COCH3 + CH3COOH
C.
CH3COCH3 + CH3CHO
D.
CH3CHO + CO2
2002
Q63
NEET
MCQ
10 Mar 2026
When CH3CH2CHCl2 is treated with NaNH2, the product formed is
A.
CH3 $-$ CH $=$ CH2
B.
CH3 $-$ C $ \equiv $ CH
C.
D.
2001
Q64
NEET
MCQ
10 Mar 2026
In preparation of alkene from alcohol using Al2O3 which is the effective factor ?
A.
Porosity of Al2O3
B.
Temperature
C.
Concentration
D.
Surface area of Al2O3
2000
Q65
NEET
MCQ
10 Mar 2026
Which is maximum stable?
A.
1-Butene
B.
cis-2-Butene
C.
trans-2-Butene
D.
All have same stability.
2000
Q66
NEET
MCQ
10 Mar 2026
2-Butene shows geometrical isomerism due to
A.
restricted rotation about double bond
B.
free rotation about double bond
C.
free rotation about single bond
D.
chiral carbon
2000
Q67
NEET
MCQ
10 Mar 2026
Which reagent converts propene to 1-propanol ?
A.
H2O, H2SO4
B.
B2H6, H2O2, OH$-$
C.
Hg(OAc)2, NaBH4/H2O
D.
Aq. KOH
2000
Q68
NEET
MCQ
10 Mar 2026
Dihedral angle in staggered form of ethane is
A.
0o
B.
12o
C.
60o
D.
180o
2000
Q69
NEET
MCQ
10 Mar 2026
Increasing order of electrophilic substitution for following compounds


A.
IV < I < II < III
B.
III < II < I < IV
C.
I < IV < III < II
D.
II < III < I < IV
2000
Q70
NEET
MCQ
10 Mar 2026
In Friedel-Crafts reaction , toluene can be prepared by
A.
C6H6 + CH3Cl
B.
C6H5Cl + CH4
C.
C6H6 + CH2Cl2
D.
C6H6 + CH3COCl








